227520009

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{65323}}^1$

素因数の和:65378

約数の個数: 20

約数和(自身を含む): 347784976

約数和(自身を除く): 120264967

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 65323, 195969, 587907, 1763721, 2808889, 5291163, 8426667, 25280001, 75840003, 227520009]

約数ペア:

[(1, 227520009), (3, 75840003), (9, 25280001), (27, 8426667), (43, 5291163), (81, 2808889), (129, 1763721), (387, 587907), (1161, 195969), (3483, 65323)]